How Do Snowflakes Form? They start as tiny mineral crystals but they might not reach the Earth.
||What Are Minerals?
Minerals are the building blocks of our society. We use items made with them every day.
Fluorescent Minerals glow with spectacular colors under ultraviolet light.
Quartz is the most abundant mineral in the crust. It has many useful properties.
United States Gemstones Small mines in the U.S. produce a diversity of gemstones.
Mineraloids are amorphous naturally-occurring inorganic solids that lack crystallinity.
Mineral Identification Chart Printable mineral ID chart by Art Crossman in MS Excel format.
Topaz is a mineral best known as a durable gemstone and its use in Mohs Hardness Scale.
|Diamond: The Mineral
Diamond is a mineral with unique properties and many gem and industrial uses!
Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing.
||Diamonds from Coal?
Diamonds Do Not Form From Coal That is one of the biggest misconceptions in science.
Find Minerals and Gems Dozens of sites where you can dig and keep what you find.
Calcite is a carbonate mineral with industrial, agricultural, medical and many other uses.
||Is Water a Mineral?
Are Water and Ice Minerals? Comparing their properties with the definition of a mineral.
Herkimer Diamonds Doubly-terminated quartz crystals used as specimens and gems.
Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire.
|Tucson Mineral Show
Tucson Gem & Mineral Show Photos from the largest gem and mineral show.
Kyanite a metamorphic mineral that most often forms from clay-rich sedimentary rocks.
Garnet is best known as a red gemstone. It occurs in any color and has many industrial uses.
||Rare Earth Elements
Rare Earth Elements are used in cell phones, DVDs, batteries, magnets & many other products.
Rhodochrosite : a manganese mineral used as an ore, a pink gem and an ornamental stone.
||Uses of Gold
Gold has unique properties that make it one of the most useful minerals.
Rhodonite is a pink manganese silicate used as a gemstone, an ornamental stone and an ore.
||Uses of Silver
Uses of Silver Most people think of jewelry and coins, but silver\'s primary use is industrial.
Spodumene is a pegmatite mineral, an ore of lithium and sometimes a gemstone.
Minerals in Colored Glass - Minerals are what produce the color in colored glass.
||The Acid Test
The Acid Test Geologists use dilute hydrochloric acid to identify carbonate minerals.
||Fireworks & Minerals
The Science of Fireworks Their shapes and colors are produced through chemistry, physics & art.
Abandoned Mine Accidents take 20 to 30 lives per year. Many can be prevented with education.
||Denver Mineral Show
Denver Gem and Mineral Show Photos and comments about this incredible annual show.
Olivine Rain Spitzer Telescope discovered a rain of olivine crystals on protostar HOPS-68.
Hematite - the most important ore of iron and a source of mineral pigment since prehistory.
Triboluminescence is flash produced when a mineral is rubbed, scratched or broken.